20215996885

素因数分解:

$5^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{227}}^1$

素因数の和:467

約数の個数: 96

約数和(自身を含む): 29587213440

約数和(自身を除く): 9371216555

約数列:

[1, 5, 7, 35, 49, 59, 61, 101, 227, 245, 295, 305, 413, 427, 505, 707, 1135, 1589, 2065, 2135, 2891, 2989, 3535, 3599, 4949, 5959, 6161, 7945, 11123, 13393, 13847, 14455, 14945, 17995, 22927, 24745, 25193, 29795, 30805, 41713, 43127, 55615, 66965, 69235, 93751, 96929, 114635, 125965, 160489, 176351, 208565, 215635, 291991, 301889, 363499, 468755, 484645, 656257, 678503, 802445, 816973, 881755, 1123423, 1352693, 1398547, 1459955, 1509445, 1817495, 2544493, 3281285, 3392515, 4084865, 5617115, 5718811, 6763465, 6992735, 9468851, 9789829, 12722465, 17811451, 28594055, 40031677, 47344255, 48949145, 66281957, 68528803, 82514273, 89057255, 200158385, 331409785, 342644015, 412571365, 577599911, 2887999555, 4043199377, 20215996885]

約数ペア:

[(1, 20215996885), (5, 4043199377), (7, 2887999555), (35, 577599911), (49, 412571365), (59, 342644015), (61, 331409785), (101, 200158385), (227, 89057255), (245, 82514273), (295, 68528803), (305, 66281957), (413, 48949145), (427, 47344255), (505, 40031677), (707, 28594055), (1135, 17811451), (1589, 12722465), (2065, 9789829), (2135, 9468851), (2891, 6992735), (2989, 6763465), (3535, 5718811), (3599, 5617115), (4949, 4084865), (5959, 3392515), (6161, 3281285), (7945, 2544493), (11123, 1817495), (13393, 1509445), (13847, 1459955), (14455, 1398547), (14945, 1352693), (17995, 1123423), (22927, 881755), (24745, 816973), (25193, 802445), (29795, 678503), (30805, 656257), (41713, 484645), (43127, 468755), (55615, 363499), (66965, 301889), (69235, 291991), (93751, 215635), (96929, 208565), (114635, 176351), (125965, 160489)]